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8 June, 23:41

Use elimination to solve each system of equations.

1. 3x+4y=29

6x+5y=43

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Answers (1)
  1. 9 June, 00:05
    0
    Step-by-step explanation:

    3x+4y=29 ... (1)

    6x+5y=43 ... (2)

    Multiply equation (1) by 2

    6x + 8y = 58 ... (3)

    Substracting (2) from (3)

    8y - 5y = 58 - 43

    3y = 15

    Dividing by 3

    3y/3 = 15/3

    y = 5

    Substituting y = 5 into (2)

    6x+5y=43

    6x + 5 (5) = 43

    6x + 25 = 43

    6x = 43 - 25

    6x = 18

    Dividing by 6

    6x/6 = 18/6

    x = 3
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